/*-------------------------------------------------Ajax loading调用----------------------------------------------------------*/
var Ajax_loading_a=function(containor,loading_text){
    this.loading_text=loading_text;
    this.createDiv=document.createElement("div");
    this.$_contaionr=$(containor);
    this.isCenter=true;
};
Ajax_loading_a.prototype={
    create:function(){
        
         var hasLoading=this.$_contaionr.find('.app_ajax_a');
        
         if(hasLoading){
            this.$_contaionr.find('.app_ajax_a').remove();
         }
        
         $(this.createDiv).addClass("app_ajax_a");
         $(this.createDiv).html(this.loading_text);
         this.$_contaionr.append($(this.createDiv));
         if(this.isCenter){
              $(this.createDiv).css("float","left");
              var _loading_width=$(this.createDiv).outerWidth();
              var _loading_parent_width=$(this.createDiv).parent().outerWidth(false);
               $(this.createDiv).css("float","none");
               var _loading_marginLeft=(_loading_parent_width-_loading_width)*0.5+"px";
               $(this.createDiv).css("margin-left",_loading_marginLeft)
         }
    },
    remove:function(){
        $(this.createDiv).remove();
    }
    
}